Hair brush



FIG. 1 is perspective view of a hair brush embodying the new design;

FIG. 2 front end elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

The rear end elevational view is identical to the front end elevational view, and the left side elevational view is identical to the right side elevational view. 

CLAIM The ornamental design for a hair brush, as shown and described. 